Noometry

Model comparison

Mistral vs o4-mini

o4-mini is the stronger model overall, scoring 41.6 to 29.9 on the Noometry Index.

Last verified . 22 shared benchmarks.

Mistral Mistral AI

29.9

Rank #303 Confirmed

o4-mini OpenAI

41.6

Rank #132 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Mistral scores higher in 0 categories and o4-mini in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where o4-mini leads 43.6 to 16.6.
  • The biggest single-benchmark swing is Omni-MATH: 7.2% for Mistral and 72% for o4-mini.

Side by side

Mistralo4-mini
ProviderMistral AIOpenAI
Noometry Index29.941.6
Released—2025-04-16
WeightsProprietaryProprietary
Context window—200K
Max output—100K
Input $ / M tokens—$1.10
Output $ / M tokens—$4.40
Results tracked2260

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Category by category

Coding o4-mini leads

Mistral: 33.8 (#250), o4-mini: 40.9 (#127)

BenchmarkMistralo4-mini
LMArena Coding11621368
SWE-bench Verified (bash only)—45%
Aider Polyglot—72%
GSO—3.6%
WeirdML—52.6%
CadEval—62%
ALE-Bench—826.17
AlgoTune—1.72

Agentic & Tool Use Not comparable

Mistral: —, o4-mini: 32.6 (#61)

BenchmarkMistralo4-mini
Berkeley Function Calling Leaderboard—53.2%
GDPval—25.3%
METR Time Horizons—63.9%

Reasoning o4-mini leads

Mistral: 22.2 (#200), o4-mini: 24.6 (#162)

BenchmarkMistralo4-mini
LMArena Hard Prompts11491351
ARC-AGI-2—6.1%
SimpleBench—38.7%
Kagi LLM Benchmark—67.6%
ARC-AGI-1—58.7%
CritPt—0.6%
Chess Puzzles—26%
EnigmaEval—9.2%
Mystery Game Puzzles—5%
DTBench—77.6%
LMCA—26.5%
Epoch Capabilities Index—145.64
ForecastBench—61.8

Math o4-mini leads

Mistral: 22.3 (#278), o4-mini: 40.8 (#89)

BenchmarkMistralo4-mini
Omni-MATH7.2%72%
LMArena Math11801389
FrontierMath (Tiers 1-3)—36.1%
FrontierMath Tier 4—4.9%
OTIS Mock AIME 2024-2025—81.7%
MATH Level 5—97.8%
FrontierMath (Feb 2025 set)—24.8%
FrontierMath Tier 4 (v1)—6.3%

Knowledge o4-mini leads

Mistral: 16.6 (#288), o4-mini: 43.6 (#91)

BenchmarkMistralo4-mini
MMLU-Pro27.7%82%
GPQA (HELM)30.3%73.5%
LMArena Expert11251343
GPQA Diamond—79.6%
Humanity's Last Exam—18.1%
SimpleQA Verified—19.6%
Confabulations—15.8%
Vectara Hallucination Rate—18.6%

Multimodal Not comparable

Mistral: —, o4-mini: 40.2 (#49)

BenchmarkMistralo4-mini
LMArena Vision—1194
GeoBench—64%
VPCT—57.5%

Multilingual o4-mini leads

Mistral: 32.8 (#254), o4-mini: 47.0 (#154)

BenchmarkMistralo4-mini
LMArena Non-English11291337
LMArena Chinese11091354
LMArena French11801364
LMArena German11551336
LMArena Japanese10131308
LMArena Korean10321312
LMArena Russian11681334
LMArena Spanish11431347

Instruction Following o4-mini leads

Mistral: 52.6 (#288), o4-mini: 75.2 (#68)

BenchmarkMistralo4-mini
IFEval56.8%92.8%
LMArena Instruction Following11521321

Long Context o4-mini leads

Mistral: 35.0 (#245), o4-mini: 45.5 (#33)

BenchmarkMistralo4-mini
LMArena Longer Query11531315
Fiction.LiveBench—77.8%

Writing & Preference o4-mini leads

Mistral: 37.0 (#260), o4-mini: 54.0 (#152)

BenchmarkMistralo4-mini
LMArena Text11651353
LMArena Creative Writing11581294
WildBench66%85.4%
LMArena Multi-Turn11471350
Short-Story Creative Writing—75%

Frequently asked questions

Is Mistral better than o4-mini?

o4-mini is the stronger model overall, scoring 41.6 to 29.9 on the Noometry Index.

Is Mistral or o4-mini better for coding?

o4-mini scores higher on coding benchmarks: 40.9 versus 33.8 in the Noometry coding category.

How many benchmarks do Mistral and o4-mini share?

22 benchmarks have published results for both models. Mistral has 22 scored results on Noometry and o4-mini has 60.

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